2005-2014 Jeep Grand Cherokee V6/V8 ECU+TCU High Performance Tune

This tune can be made custom for 87 to 93 octane fuel, and will be custom made if you have a V6 or V8 vehicle, although the 392 hemi V8 may cost more in labor to tune, this tune is 3.6 to 5.7 liter engines.